Skip to main content

Gompholobium cyaninum Chappill

Austral.Syst.Bot. 21:90-91, Fig. 14 (2008)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status

Erect to straggling shrub, 0.07-0.6 m high. Fl. blue/purple/red, Sep to Dec. Dry sandy to gravelly soils, laterite. Sandy plains, slopes & valleys, ridges.

Amanda Spooner, Descriptive Catalogue, 25 November 2004

Scientific Description

Genus Gompholobium. Form erect. Habit shrub, spindly shrub (broom-like). Stems Indumentum glabrous, Pustules or glands absent, Striation (stems ribbed) not striate, Cross section terete, Spiny on any part of plant not spiny. Leaves or phylloclades Presence clearly present, Position opposite, Leaves compound, Leaves or phylloclade continuous with stem not continuous with stem, Cross section of leaf or leaflet flat with flat margins, Margins of leaf or leaflet entire, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 15-40. Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long NaN (?). Leaflets Number more than three, Number of leaflets (if more than three) 15(-19), Arrangement pinnately arranged. Terminal leaflet Presence present, Stalk stalked. Indumentum Presence glabrous. Stipules Presence present and persistent to older leaves, Glands with glands (?) or without glands (?), Ribs ribbed (?) or ribless (?). Length Stipule length NaN (?). Bracteoles Presence present and persistent, Indumentum hairy, Striation not striate. Length Bracteole length 2.8(-3). Pedicel Presence present, Indumentum hairy. Length Pedicel length 4-6. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 7.6-10.4. Indumentum Presence hairy or glabrous, Type with simple hairs. Corolla Colour patterning multicoloured, Colour (when multicoloured - choose one colour) red, purple or blue, Colour (when multicoloured - choose a second colour) red, purple or blue, Petal claws ( the narrow base of the petals present. Length Corolla length 10-12.6. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 10-12. Wings Auricles not auriculate. Length Wing length 7.6-9. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 8-9. Stamens Number ten. Anthers anther length 0.6-1.1, Position at two different levels (filaments alternately long and short). Filaments Fusion free (or united at the very base). Length Filament length 4.6-9. Ovary Placement stipitate (?) or sessile or subsessile (?). Indumentum Presence glabrous. Style Indumentum glabrous, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 6.5-7. Fruit Type dehiscent (a pod or follicle), Constriction not constricted between the seeds, Compression round in cross-section, Placement stipitate (?) or sessile or subsessile (?), Beak not beaked. Length Fruit length NaN (?). Width Fruit width NaN (?). Indumentum Presence hairy (?) or glabrous (?), Indumentum type with simple hairs (?) or with glandular hairs (?). Flowering time September, October, November or December. Distribution Botanical Province South-West, IBRA Bioregion Avon Wheatbelt, Jarrah Forest, Mallee, Warren, Esperance or Swan Coastal Plain.

C. Hollister and K.R. Thiele, 17 April 2024


IBRA Regions
Avon Wheatbelt, Esperance Plains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions
Fitzgerald, Katanning, Northern Jarrah Forest, Perth, Recherche, Southern Jarrah Forest, Warren, Western Mallee.
Local Government Areas (LGAs)
Albany, Armadale, Augusta Margaret River, Beverley, Boddington, Boyup Brook, Busselton, Capel, Cranbrook, Denmark, Donnybrook-Balingup, Esperance, Gnowangerup, Jerramungup, Lake Grace, Mundaring, Murray, Nannup, Narrogin, Plantagenet, Ravensthorpe, Serpentine-Jarrahdale, Wandering, West Arthur, Williams, York.